He was a celebrated American industrialist, engaged in what Andrew Carnegie called the "difficult task of wise distribution".
But he also talked about "the more difficult task of understanding the sources of such madness".
As conductor, Adès shone in the difficult task of accompanying the volatile piece.
"A coordinated response" is required to achieve the "possible, although difficult" task of reversing the trend.
There they have the difficult task of proving bad faith or intentional misconduct by authorities.
Take the increasingly difficult task of managing foreign currency exposure.
To succeed, Bishop Graphics faces the difficult task of transforming itself.
In Iowa, he called for presidents to have only one six-year term instead of two four-year terms, which can only be done through the extremely difficult task of amending the U.S. Constitution.
The design of efficient affordable services is a difficult task which calls for innovation, the rejection of old nostrums and careful cost/benefit analysis to establish affordability, a pre-requisite for sustainability.
Team USA has a much more difficult task ahead of them.
